25G SFP28 BiDi 光模块,40Km

Description
The F-tone Networks FTCS-B2725G-40DI is designed for Bi-directional 25G serial optical data communications by using 1270nm transmitter and 1330nm receiver. It is a high performance module for 25G Ethernet and Option 10 CPRI applications which operate up to 40km. This module incorporates F-tone Networks proven circuit and technology to provide reliable long life, high performance, and consistent service.

Features
● Hot-pluggable SFP28 form factor
● Up to 25Gbps data rate
● Maximum link length of 40km
● Single LC receptacle, Bi-directional
● CWDM EML laser and APD photo-detector
● 1270nm Tx/1330nm Rx
● Internal CDR on both Transmitter and Receiver channel
● Single 3.3V power supply
● Power dissipation < 1.9W
● RoHS 2.0 compliant (2011/65/EU, lead free)
● Industrial case temperature range: -40°C to 85°C

Applications
● 25G Ethernet
● CPRI Option 10
● Support 10G CPRI option 8 by CDR bypass

Absolute Maximum Ratings

Parameter	Symbol	Min	Max	Unit
Supply Voltage	Vcc	0	3.6	V
Storage Temperature	Ts	-40	+85	°C
Operating Humidity	–	5	85	%

Recommended Operating Conditions

Parameter		Symbol	Min	Typical	Max	Unit
Operating Case Temperature	Industrial	Tc	-40		+85	°C
Power Supply Voltage		Vcc	3.13	3.3	3.47	V
Power Supply Current		Icc			556	mA

Electrical Specifications

Parameter	Symbol	Min	Typical	Max	Unit
Differential Input Impedance	Zin	90	100	110	ohm
Differential Output Impedance	Zout	90	100	110	ohm
Differential Input Voltage Amplitude1	ΔVin	300		1100	mVp-p
Differential Output Voltage Amplitude2	ΔVout	500		800	mVp-p
Input Logic Level High	VIH	2.0		Vcc	V
Input Logic Level Low	VIL	0		0.8	V
Output Logic Level High	VOH	Vcc-0.5		Vcc	V
Output Logic Level Low	VOL	0		0.4	V

Note:
1、Differential input voltage amplitude is measured between TxnP and TxnN.
2、Differential output voltage amplitude is measured between RxnP and RxnN.

Optical Characteristics

Parameter	Symbol		Min	Typical	Max	Unit	Notes
Transmitter
Data rate		BR		25.78		Gbps
Centre Wavelength		λc		1270		nm
Spectral Width (-20dB)		σ			1	nm
Side Mode Suppression Ratio		SMSR	30			dB
Average Output Power		Pavg	-2		6	dBm
Extinction Ratio		ER	7			dB
Eye Mask Coordinates		{0.31, 0.4, 0.45, 0.34, 0.38, 0.4}
Receiver
Data rate		BR		25.78		Gbps
Centre Wavelength		λc		1330		nm
Average Power at Receiver					-4	dBm
Receive reflectance(max)					-26	dB
Receiver Sensitivity (OMA)		Psens	–	–	-19	dBm	1
Rx Damage threshold					-3	dBm
LOS De-Assert		LOSD			-21	dBm
LOS Assert		LOSA	-31			dBm
LOS Hysteresis			0.5			dB

Notes1: 
1、For 25G-ERT with FEC, receiver sensitivity is defined at 5E-5 BER level, not 1E-12 BER level.

Mechanical Dimensions

Ordering information

Part Number	Product Description
FTCS-B2725G-40DI	25Gbps, SFP28 1270nm Tx/1330nm Rx, 40km, -40ºC ~ +85ºC

北亿纤通 | F-tone Networks

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企业手机：19081343401
企业电话：028-85255257
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注：本产品有全国产化型号可选

Important Notice

Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.

The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.ailable from any F-tone Networks sales representative.y F-tone Networks sales representative.